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Java 26 Delivers Language Innovation, Library Improvements, Performance and Security
Oracle has released version 26 of the Java programming language and virtual machine. As the first non-LTS release since JDK 25, the final feature set includes 10 JEPs, five of which are still progressing through the preview and incubator stages. This release focuses on Java library improvements, language innovation, performance and security.
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JDK 26 and JDK 27: What We Know So Far
JDK 26, the first non-LTS release since JDK 25, has reached its second release candidate with a final set of 10 new features, in the form of JEPs, that can be separated into five categories: Core Java Library, HotSpot, Java Language Specification, Security Library and Client Library. We examine JDK 26 and predict what features have, or could be, targeted for JDK 27.
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Java News Roundup: Groovy 5.0, Project Leyden, Helidon MCP, JReleaser, LangChain4j, Open Liberty
This week's Java roundup for August 25th, 2025, features news highlighting: the GA release of Apache Groovy; a new early-access build of Project Leyden; introducing the Helidon MCP server; point releases of JReleaser, LangChain4j, Quarkus, Camel Quarkus; the beta release of Open Liberty 25.0.0.9; and the first alpha release of Hibernate Validator 9.1.0.
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Spring Boot 3.5 Delivers Improved Configuration, Containers, and SSL, Shortens Free Support
Broadcom launched Spring Boot 3.5, improving configuration, containers, and SSL. The release has breaking configuration changes and gets only 13 months of free releases, but adds 72 months of paid ones. Related Spring releases are Spring AI, Spring Security, Spring for GraphQL, Spring Integration, and Spring Data. Spring Framework 7.0 and Spring Boot 4.0 start a new generation in November 2025.
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Java Applications Can Start 40% Faster in Java 24
In Java 24, Project Leyden’s JEP 483, "Ahead-of-Time Class Loading & Linking", starts Java applications like Spring PetClinic up to 40% faster without code changes or new application constraints. It needs a training run to build a cache file that ships with the application. With GraalVM Native Image and CRaC, the startup is 95-99% faster but faces more constraints. Leyden plans more improvements.
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JDK 24 and JDK 25: What We Know So Far
JDK 24, the third non-LTS release since JDK 21, has reached its first release candidate phase with a final set of 24 new features, in the form of JEPs, that can be separated into five categories: Core Java Library, Java Language Specification, Security Library, HotSpot and Java Tools. We examine JDK 24 and predict what features have, or could be, targeted for JDK 25.
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Project Leyden Announces Early Access Build: 2-3x Start-up Improvements for Java Applications
The OpenJDK has reached a milestone by announcing the Early Access (EA) build for Project Leyden. This build represents over a year of development efforts to enhance Java application performance, particularly focusing on start-up times. The preliminary testing has shown impressive results, with popular application frameworks experiencing a 2-3x improvement in start-up times.